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The Benefits of uPVC

World's Oldest Polymer - The Material of Choice

One of the world’s oldest polymers, polyvinyl chloride or uPVC, has evolved since the 1940s to become a universally used, cost effective, adaptable, safe and environmentally efficient material. uPVC’s unique properties make it the material of choice for many applications, including construction, transportation, electronics and health.

High-Performance Window Frames

Vinyl is the most prevalent residential window framing material and is gaining in the commercial sector due to its highly-efficient performance ratings. Though many still believe it lacks durability, innovations that have enhanced the structural performance of vinyl frames are challenging this perception.

Winda proprietary uPVC (unplasticized polyvinyl chloride) formulation and extrusion process make window frames that deliver superior performance, energy efficiency and environmental sustainability.

Our formula

Outperforms Standard Vinyl

Our proprietary uPVC formulation and extrusion process make superior window frames that outlast and out-perform alternative materials like aluminum, which can corrode from exposure to weather and pollution.

Resists Fading Even in Extreme Climate Zones

Winda formula includes above-average quantities of TiO2 stabilizers and impact modifiers to protect against fading from solar radiation. When put through five years of weather testing in Arizona, this formula shows its strength; WINDA vinyl performed better than standard vinyl.

Superior Surface Quality & Precision Fit

Because our unique uPVC formula results in a higher than average surface gloss level, WINDA-designed window frames repel dirt and better reveal the trueness of color. In addition, our designs are extruded on finely tuned equipment using high-quality in-house compounding for precise dimensional controls and a tighter fit between sash and frame.

Energy Efficiency

Lower Cooling Costs

With uPVC windows keeping cooled air sealed tightly within your home or building, air conditioning units don’t have to work as hard to maintain the desired temperature. You conserve energy—and save money.

An investment in vinyl windows can often be recouped in as few as two years.

Outstanding Thermal Performance

Tests using the common measure of insulating ability, the U-factor, have shown that vinyl windows regularly outperform other products because of the frame’s excellent thermal performance. The specially-designed insulating airspaces in vinyl window and door frames, combined with their low conductivity, make them a formidable barrier to heat transfer.

A Natural Insulator

Compared to aluminum, a natural conductor of cold or hot temperatures, uPVC is a natural insulator. It resists heat loss in winter and heat gain in summer. Typical uPVC frames have U-factors that are at least 20 percent better than aluminum and are also superior to thermally broken aluminum.

This thermal image demonstrates how effectively our uPVC designs separate warmer air and cooler air in order to achieve optimal energy efficiency.

Performance & Durabilty

Resistance to Almost Everything

uPVC is naturally resistant to moisture and atmospheric pollutions such as acids, alkalis and salt air. It is impervious to rot, rust, blistering and flaking, as well as infestation by termites or other insects. It resists mold and mildew, and scratching will not require any touch-up. As a result, the WINDA-designed windows and doors you install today will retain their lustre for years to come.

Proven in Extreme Environments

Our profiles go through a stringent tringent quality control process including extreme weather testing. The wind load capacities of WINDA Window Systems have been verified at a range of 3500 - 6300 Pa (tested in accordance with GB/T7106-2002 and at estimated windspeeds of 270 - 380 km/h) equivalent to Beaufort Scale 12 typhoon!


Recyclable and environmentally sustainable?

Yes, we are talking about vinyl. Though there has been much controversy surrounding the manufacture, use, recycling and sustainability of uPVC, primarily because if its association with the chlorine industry, much of this argument has been emotionally driven rather than based upon scientific scrutiny.

Ideal for Recycling

uPVC is the ideal material for recycling. During the manufacturing process, uPVC is easily chipped into waste material and extruded into new products. Ninety-nine percent of vinyl's manufacturing waste can be reprocessed. In addition, millions of pounds of post-consumer vinyl is recycled.

A Lower Carbon Footprint

Because uPVC is lightweight, it uses less fuel than other materials to transport. Its long service life conserves raw materials and prevents pollution associated with manufacturing and disposing of other, shorter-life alternatives.